Tin-Lead Alloys

Tin-lead alloys are manufactured according to the standard ISO 9453, and they are suitable for solders that require a low melting point.

Range of formats

Solid solder wire from1mm to 8mm. Round rod of 4mm or 6mm, trapezoidal or ingot rod. Bar/ Ingot.


1,0mm, 1,5mm, 2mm, 3mm 100g, 250g, 500g, 1.000g.

Alloy Composition (mass %) Melting Point Standard
Sn Pb Bi
Senra 50 50% 50% 183-215ºC ISO9453
Senra 60 60% 40% 183-190ºC ISO9453
Senra 63 63% 37% 183ºC ISO9453
Senra Bi58 42% 58% 138ºC ISO9453